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Introductory Physics Homework Help
Calculating Net Force of 3 Blocks in an Elevator
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[QUOTE="kuruman, post: 6849385, member: 192687"] Here is another way to look at it. We are assuming that the three masses accelerate as one, i.e. they have the same acceleration at all times. What if you took the three blocks together as your system? What is the net force on the three-mass system? What forces acting on the three-mass system are external to it and contribute to the net force? What does Newton's second law say about all this? [/QUOTE]
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Calculating Net Force of 3 Blocks in an Elevator
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